sorry all again ! im really over my head with this !! soo please help ! so my sparkfun serial lcd arrived today for my thermometer project my sketch wich i will post below works correctly to display temperature in serial monitor and when i first connected the lcd displayed on the LCD like this

19.76IIII19.78IIII19.45IIIIIII18.99IIII19.45IIII20.0III

what im trying to acheive is a normal refreshing reading like you would expect to see like this